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Bug#420301: libc6: IPv6 transport fails for resolver

Package: libc6
Version: 2.5-2
Severity: normal


When I specify an IPv6 address as my nameserver, resolution fails instantly and
a packet trace reveals no traffic.  For instance if I specify only:

nameserver 2002:CFAC:5504:2::0

in /etc/resolv.conf, no queries go out.  Not sure if this is a glibc 
compile-time option to disable this feature, but I'm pretty sure that glibc has 
supported IPv6 transport on resolution since version 2.2.  Using the dig command 
directly (with the -6 option) of course allows me to use IPv6 as transport, so I 
know v6 routing and other config is set up right.

I have tried this with both 'options inet6' on and off.  Let me know if I can
provide any more information.

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.20
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash

-- no debconf information

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